Home / 12,931,512.37-19,396,009.04-5,255,617.43

Finding the Fourth Proportional to 12,931,512.37, 19,396,009.04 and 5,255,617.43

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Solution

The fourth proportional to 12,931,512.37, 19,396,009.04 and 5,255,617.43 is: 7,882,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,512.37 : 19,396,009.04 = 5,255,617.43 : x
  2. Step 2: Convert to fraction form
    12,931,512.37/19,396,009.04 = 5,255,617.43/x
  3. Step 3: Cross multiply
    12,931,512.37x = 19,396,009.04 × 5,255,617.43
  4. Step 4: Simplify right side
    12,931,512.37x = 101,938,003,205,273.50
  5. Step 5: Solve for x
    x = 101,938,003,205,273.50/12,931,512.37
  6. Step 6: Final answer
    x = 7,882,914.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.